pyrosulphate


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pyrosulphate

(ˌpaɪrəʊˈsʌlfeɪt)
n
(Elements & Compounds) any salt of pyrosulphuric acid. Also called: disulphate
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The cross-linking agent N^V'-methylenebisacrylamide (MBA, Acros), redox couple potassium persulphate (KPS, Merck, p.a.) and potassium pyrosulphate (KPyS, Merck p.a.), were applied without further purification.
Potassium persulphate (PPS) and potassium pyrosulphate (PPyroS), the initiator and accelerator, were obtained from Merck & Co.
The reaction was then rinsed in 4,5% sodium pyrosulphate for 50 seconds.
The active anticalculus ingredients in the test group were tetrapotassium pyrophosphate, PEG-6, disodium pyrophosphate, and tetrasodium pyrosulphate comprising a 5.0% soluble pyrophosphate formulation (Proctor and Gamble, Cincinnati, Ohio).